Piston ring compressor?

  • coppertales
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Piston ring compressor?

27 May 2008 11:05
#216172
I am ready to put my KZ1100 back together after getting the new rings installed. I tried the old poke and feelie to get the rings in the cylinders but they just will not go. Does anyone sell a ring compressor that will work on these pistons from the bottom? I don't think I can afford one of the gang of 4 compressor that is called for in the manual. Thanks....chris3
1982 KZ1100 A2
1982 1100 SPECTRE
1982 1100 SPECTRE

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  • FastKaw1
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Re: Piston ring compressor?

27 May 2008 11:25
#216176
Did you hold all 4 of the pistons at the same hight?
I use 2 dal rods slid under the pistons. It's always worked for me.
Some guys use coat hanger wire bent straight

XENU.

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  • coppertales
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Re: Piston ring compressor?

27 May 2008 12:19
#216183
I put two one inch plastic pipe under the two inside pistons, then do them, then do the two outer pistons. I have done this successfully many times but this time it is not working. I saw a compressor that came apart for use in this application but it was quite a while ago and I forgot where I saw it......chris3
1982 KZ1100 A2
1982 1100 SPECTRE
1982 1100 SPECTRE

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  • FastKaw1
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Re: Piston ring compressor?

27 May 2008 12:37
#216187
I found it best to hold all 4 pistons at the time+hight.
I don't use any lub till pistons are in the hole.
I had a gang ring compressor about 20 years ago, sold it. To much ***** around.

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  • bountyhunter
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Re: Piston ring compressor?

27 May 2008 13:37 - 27 May 2008 16:08
#216205
coppertales wrote:
I put two one inch plastic pipe under the two inside pistons, then do them, then do the two outer pistons. I have done this successfully many times but this time it is not working. I saw a compressor that came apart for use in this application but it was quite a while ago and I forgot where I saw it......chris3

Clymers recommends using large hose clamps. JC Whitney sells the clamps I used on mine (wrap around and hook on the clamp pliers), but I think you have to do the middle two first. You have to make something to put under the pots to prop them up as you tap the cylinder down. I used some wood paint stir sticks cut to length and taped in a stack for props.
1979 KZ-750 Twin
Last edit: 27 May 2008 16:08 by bountyhunter.

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  • Patton
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Re: Piston ring compressor?

27 May 2008 13:40 - 27 May 2008 13:41
#216206
coppertales wrote:
I am ready to put my KZ1100 back together after getting the new rings installed. I tried the old poke and feelie to get the rings in the cylinders but they just will not go....

(You'll have to forgive this question :lol: ) --
Before installing the rings onto the pistons, were the rings first test-fitted inside the bores for proper end-gap? :unsure:
1973 Z1
KZ900 LTD
Last edit: 27 May 2008 13:41 by Patton.

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  • jordan
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Re: Piston ring compressor?

27 May 2008 15:44
#216237
hose clamps worked great for me!
KZ810 streetfighter kz/gpz/gsxr
1983 gs1100e
1979 KZ 1000 1428 dragbike project
1974 kawasaki H1 500 sold :(
1972 Kawasaki s2 350-parted on ebay :(
1973 Kawasaki s2 350-parted on ebay :(
1982 kz750(sold)
1978 kz650 hardtail(sold)
1975 honda xl250-sold
1971 yamaha R5-sold
1982 yamaha xs400

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  • coppertales
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Re: Piston ring compressor?

28 May 2008 08:09
#216368
ring gap is ok........I will try the hose clamp idea. I am going to polish the bevel at the bottom of the cylinders too.....thanks guys....chris3
1982 KZ1100 A2
1982 1100 SPECTRE
1982 1100 SPECTRE

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  • bountyhunter
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Re: Piston ring compressor?

28 May 2008 15:41
#216460
coppertales wrote:
ring gap is ok........I will try the hose clamp idea. I am going to polish the bevel at the bottom of the cylinders too.....thanks guys....chris3
I'd polish the inside surface of the clamps with some #400 paper and lightly oil them to help them slip past the rings.
1979 KZ-750 Twin

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